Number Cross: Kakuro Puzzle

No more guessing. Every Number Cross puzzle is solvable by pure logic. A fresh daily challenge, four difficulties, notes, hints and highlights make cross sums click.

Tired of number puzzles that end in a lucky guess?

Number Cross is Kakuro (cross sums) done fair: every puzzle is generated to be solved by pure logic alone—no guessing, always exactly one solution. Use each clue's sum, fill the white cells with 1–9, and turn a few quiet minutes into a daily thinking habit.

■ Why Number Cross

• Always fair: one solution, reachable by logic—never luck.
• Daily Challenge: the same fresh puzzle for everyone, every day. Build your streak.
• Four difficulties: Easy 8×8, Medium 10×10, Hard 11×11, and Expert 12×12.
• Friendly to solve: pencil notes, hints, row/column highlight, optional mistake check.
• See your progress: solved count, day streak, no-hint rate, best & average times per level.
• Easy on the eyes: calm design with full Dark Mode.
• Plays offline. No account, no sign-up.

■ Great for

• Sudoku fans looking for their next logic puzzle
• Commutes, breaks, and wind-down minutes
• Anyone who dislikes puzzles you can "guess" your way through
• Building a gentle daily brain-training habit

■ Privacy & peace of mind

• No account and no email required.
• Your records stay on your device (nothing sent to a server).
• Works fully offline.